/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/GeometrySelectionManager.h
Use the given WorldRay to update the active element selection based on UpdateConfig. The intention is that this function is called by higher-level user interaction code afterRayHitTest()has returned true.
virtual void UpdateSelectionViaRaycast ( const FRay3d & WorldRay, const [FGeometrySelectionUpdateConfig](API\Plugins\ModelingComponents\Selection\UGeometrySelectionManager\FGeometrySelecti-_4) & UpdateConfig, [FGeometrySelectionUpdateResult](API\Plugins\ModelingComponents\Selection\UGeometrySelectionManager\FGeometrySelecti-_5) & ResultOut )